OK, let's crack this. We're given 498 and our task is to multiply it by 11. Essentially, we'll be adding 498 to itself 11 times.
Step 1: 0 + 498 = 498
Step 2: 498 + 498 = 996
Step 3: 996 + 498 = 1494
Step 4: 1494 + 498 = 1992
Step 5: 1992 + 498 = 2490
Step 6: 2490 + 498 = 2988
Step 7: 2988 + 498 = 3486
Step 8: 3486 + 498 = 3984
Step 9: 3984 + 498 = 4482
Step 10: 4482 + 498 = 4980
Step 11: 4980 + 498 = 5478

So, 498*11 = 5478